Home / 35,454.48-53,193.60-13,270.20

Finding the Fourth Proportional to 35,454.48, 53,193.60 and 13,270.20

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Solution

The fourth proportional to 35,454.48, 53,193.60 and 13,270.20 is: 19,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,454.48 : 53,193.60 = 13,270.20 : x
  2. Step 2: Convert to fraction form
    35,454.48/53,193.60 = 13,270.20/x
  3. Step 3: Cross multiply
    35,454.48x = 53,193.60 × 13,270.20
  4. Step 4: Simplify right side
    35,454.48x = 705,889,710.72
  5. Step 5: Solve for x
    x = 705,889,710.72/35,454.48
  6. Step 6: Final answer
    x = 19,909.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.